gcc/libjava/java/awt/EventDispatchThread.java

/* Copyright (C) 2000, 2002  Free Software Foundation

This file is part of GNU Classpath.

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Linking this library statically or dynamically with other modules is
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/** @author Bryce McKinlay */

/* Status: believed complete, but untested. */

package java.awt;

class EventDispatchThread extends Thread
{
  private static int dispatchThreadNum = 1;

  private EventQueue queue;

  EventDispatchThread(EventQueue queue)
  {
    super();
    setName("AWT-EventQueue-" + dispatchThreadNum++);
    this.queue = queue;
    setPriority(NORM_PRIORITY + 1);
    start();
  }

  public void run()
  {
    while (true)
      {
        try
	{
	  AWTEvent evt = queue.getNextEvent();
	  if (isInterrupted ())
	    {
	      // We are interrupted when we should finish executing
	      return;
	    }

          KeyboardFocusManager manager;
          manager = KeyboardFocusManager.getCurrentKeyboardFocusManager ();

          // Try to dispatch this event to the current keyboard focus
          // manager.  It will dispatch all FocusEvents, all
          // WindowEvents related to focus, and all KeyEvents,
          // returning true.  Otherwise, it returns false and we
          // dispatch the event normally.
          if (!manager.dispatchEvent (evt))
            queue.dispatchEvent(evt);
	}
	catch (InterruptedException ie)
	{
	  // We are interrupted when we should finish executing
	  return;
	}
	catch (Throwable x)
	{
	  System.err.println("Exception during event dispatch:");
	  x.printStackTrace(System.err);
	}
      }
  }
}